Teledyne T201 Manuel D’Utilisation

Page de 44
Maintenance Schedule 
Teledyne API Model T201 NH
Analyzer Operator Manual 
28 
07271B DCN6646 
  
Table 4-2. M501 NH
3
 Converter Rebuild Parts List 
Part No. 
Description 
KIT000193 
RETROFIT, M501 NH
3
 INNER TUBE w/SCREEN 
KIT000139 
REBUILD, CERAMIC BUSHINGS, M501 NH
3
 
HE0000007 
CERAMIC HEATER, 220W@60V M501XX 
 
4.2  R
EPLACING THE 
C
ATALYTIC 
C
ARTRIDGE
 
1.  Turn off power to the converter and allow to cool.   
IT IS VERY IMPORTANT THAT THE CONVERTER BE COOL 
BEFORE ATTEMPTING ANY DISASSEMBLY OR REPAIRS. 
 
CAUTION – VERY HOT 
Will cause severe burns. Disassembly while hot will 
damage other converter components.  Allow sufficient time 
to cool. 
 
2.  Remove the chassis cover of the M501 NH
3
, remove the aluminum 
cover over the oven, remove the two U-shaped hold down clamps.   
3.  Disconnect the 1) stainless steel and 2) PTFE tubes from the 
converter cartridge. 
4.  Loosen the nut holding the cartridge assembly in the U-shaped angle 
bracket mounted on the chassis floor. 
5.  Gently lift and tilt the converter assembly out of the U-shaped bracket 
and slide the assembly out of the oven. 
6.  Loosen the ¼” SS tube fitting nearest the hold-down bracket; this 
fitting holds the central tube in the converter.  Replace the tube that is 
part of KIT000193. 
7.  Re-assemble the converter by doing the above steps in reverse order. 
 
Figure 4-1. Catalytic Cartridge